widgets/systray.c

   1 /*
   2  * systray.c - systray widget
   3  *
   4  * Copyright © 2008 Julien Danjou <julien@danjou.info>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  */
  21
  22 #include <xcb/xcb.h>
  23 #include <xcb/xcb_atom.h>
  24
  25 #include "widget.h"
  26 #include "screen.h"
  27 #include "common/xembed.h"
  28 #include "common/atoms.h"
  29
  30 #define _NET_SYSTEM_TRAY_ORIENTATION_HORZ 0
  31 #define _NET_SYSTEM_TRAY_ORIENTATION_VERT 1
  32
  33 extern awesome_t globalconf;
  34
  35 static area_t
  36 systray_geometry(widget_t *widget, int screen, int height, int width)
  37 {
  38     area_t geometry;
  39     int phys_screen = screen_virttophys(screen), n = 0;
  40
  41     geometry.height = height;
  42
  43     for(int i = 0; i < globalconf.embedded.len; i++)
  44         if(globalconf.embedded.tab[i].phys_screen == phys_screen)
  45             n++;
  46
  47     /** \todo use class hints */
  48     geometry.width = MIN(n * height, width);
  49
  50     return geometry;
  51 }
  52
  53 static void
  54 systray_draw(widget_t *widget, draw_context_t *ctx,
  55              area_t geometry, int screen, wibox_t *p)
  56 {
  57     uint32_t orient;
  58
  59     switch(p->position)
  60     {
  61       case Right:
  62       case Left:
  63         orient = _NET_SYSTEM_TRAY_ORIENTATION_VERT;
  64         break;
  65       default:
  66         orient = _NET_SYSTEM_TRAY_ORIENTATION_HORZ;
  67         break;
  68     }
  69
  70     /* set wibox orientation */
  71     /** \todo stop setting that property on each redraw */
  72     xcb_change_property(globalconf.connection, XCB_PROP_MODE_REPLACE,
  73                         globalconf.screens[p->sw.ctx.phys_screen].systray.window,
  74                         _NET_SYSTEM_TRAY_ORIENTATION, CARDINAL, 32, 1, &orient);
  75 }
  76
  77 /** Initialize a systray widget.
  78  * \param w The widget to initialize.
  79  * \return The same widget.
  80  */
  81 widget_t *
  82 widget_systray(widget_t *w)
  83 {
  84     w->draw = systray_draw;
  85     w->geometry = systray_geometry;
  86
  87     return w;
  88 }
  89 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80